/* 去除标签自带的margin和padding */
body, ol, ul, h1, h2, h3, h4, h5, h6, p, th, td, dl, dd, form, fieldset, legend, input, textarea, select, td {
    margin: 0;
    padding: 0
}

/* 设置页面的统一的样式 */
body {
    font: 16px "宋体", "Arial Narrow", HELVETICA;
    background: #fff;
    word-wrap: break-word;
}

/* 去除a标签默认样式 */
a {
    text-decoration: none;
    color: blue;
}

/* i使斜体的文字正常 em使强调的内容正常 */
em, i {
    font-style: normal;
}

strong, b {
    font-weight: 100;
}

/* 去除li元素默认的小圆点 */
li {
    list-style: none
}

/* 去除图片的margin和padding */
img {
    display: block;
}

/* 设置单元格为单线样式 */
table {
    border-collapse: collapse;
    border-spacing: 0
}

/* 首行缩进连两个单位 */
.indent {
    text-indent: 2em;
}

.noborder {
    border: 0;
}

/* 省略号 */
.ellipsis {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 清除浮动 */
.clear::after {
    content: ".";
    display: block;
    clear: both;
    height: 0;
    overflow: hidden;
    visibility: hidden;
}

button {
    margin: 0;
    padding: 0;
    border: 1px solid transparent;
    outline: none;

}

